Category talk:Wren-math: Difference between revisions
→Source code: Nums.barChart method now allows for left or right alignment of labels,
m (→Source code: Change to comment.) |
(→Source code: Nums.barChart method now allows for left or right alignment of labels,) |
||
Line 933:
// Draws a horizontal bar chart on the terminal representing a list of numerical 'data'
// which must be non-negative. 'labels' is a list of the corresponding text for each bar.
// When printed
// within their maximum length if 'rjust' is true, otherwise they are left justified.
// 'width' is the total width of the chart in characters to which the labels/data will
// automatically be scaled. 'symbol' is the character to be used to draw each bar,
// 'symbol2' is used to represent scaled non-zero data and 'symbol3' zero data which
// would otherwise be blank. The actual data is printed at the end of each bar.
static barChart (title, width, labels, data, rjust, symbol, symbol2, symbol3) {
var barCount = labels.count
if (data.count != barCount) Fiber.abort("Mismatch between labels and data.")
var maxLabelLen = max(labels.map { |l| l.count })
if (rjust) {
labels = labels.map { |l| (" " * (maxLabelLen - l.count)) + l }.toList
} else {
labels = labels.map { |l| l + (" " * (maxLabelLen - l.count)) }.toList
}
}
var maxData = max(data)
var maxLen = width - maxLabelLen - maxData.toString.count - 2
Line 957 ⟶ 964:
// Convenience version of the above method which uses default symbols.
static barChart(title, width, labels, data, rjust) {
barChart(title, width, labels, data, rjust, "■", "◧", "□")
}
// As above method but uses right justification for labels.
static barChart(title, width, labels, data) {
barChart(title, width, labels, data, true, "■", "◧", "□")
}
}
| |||